16327701505 has 8 divisors (see below), whose sum is σ = 19649385000. Its totient is φ = 13024732416.

The previous prime is 16327701499. The next prime is 16327701571. The reversal of 16327701505 is 50510772361.

It can be written as a sum of positive squares in 4 ways, for example, as 975500289 + 15352201216 = 31233^2 + 123904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16327701505 - 2³ = 16327701497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676680 + ... + 4680169.

It is an arithmetic number, because the mean of its divisors is an integer number (2456173125).

Almost surely, 2^16327701505 is an apocalyptic number.

It is an amenable number.

16327701505 is a deficient number, since it is larger than the sum of its proper divisors (3321683495).

16327701505 is an equidigital number, since it uses as much as digits as its factorization.

16327701505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357203.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 16327701505 in words is "sixteen billion, three hundred twenty-seven million, seven hundred one thousand, five hundred five".